Introduction Dissertation writing is the most challenging and longest task on which students work. It needs to Dissertation Surpass editing and proofreading to improve the…
database
What Data Can You Scrape From LinkedIn For Marketing?
What Data Can You Get From Linkedin For Marketing? With our pre-built, no-code LinkedIn Company Extractor, you can scrape from LinkedIn: Name of the Business…
How Can I Extract Business Leads From Yellow Pages?
Yellow Pages is a great marketing tool for local businesses to get more customers and sales. If your business is listed on Yellow Pages, you…
How To Get Started With LinkedIn Scraping?
How Do I Get Started With LinkedIn Scraping? If you are interested in extracting data from LinkedIn for your business and marketing campaign, there are…
What is Database Schema?
Database schema is the skeleton structure that corresponds to the logical view of the whole database. It describes how the data is organized and how…
Data cleaning in Data warehouse is?
The cleaning and removal of noise errors and incorrect input from a database.
Data dictionary in Data warehouse is?
The systematic description of the syntactic structure of a specific database. It describes the structure of the attributes the tables and foreign key relations hips.
What is Decision Support Systems (DSS)?
Decision Support Systems (DSS) is an interactive systems that enable decision makers to use databases and models on a computer in order to solve ill-structured…
A data warehouse is valuable only if the…
A data warehouse is valuable only if the organization has an interest in analyzing historical data.
Network databases are more flexible than…
Network databases are more flexible than hierarchical databases at the cost of duplicate data.
Granularity in Data warehouse refers to…
The level of detail of the data stored in a data warehouse.
Dimensionality in Data warehousing refers to
Dimensionality the data that describes the transactions in the fact table.
A relational database differs from both a…
A relational database differs from both a hierarchical database and a network database because a relational database links (joins) tables through data while the other…
The main organizational justification for implementing a…
The main organizational justification for implementing a data warehouse is to provide decision support and storing large volumes of data.
A Data warehouse takes regular…
A Data warehouse takes regular copies of transaction data and stores it in a way that is optimized for query and reporting…
A Hierarchical database in Data warehousing is?
This a tree structure where one parent (record) can have many children (records) and each child can have only one parent.
Adding data for the sake of…
Adding data for the sake of it may well degrade the effectiveness of data warehousing analysis.
The fact table of a data warehouse is…
The fact table of a data warehouse is the main store of all of the recorded transactions over time.
Hierarchical databases are good at…
Processing a relatively small set of pre-defined queries from a large data set.
Transaction processing in Data warehousing is
The act of processing, recording and storing individual transactions in a database.